Layercake collections are royalty free just like purchasing from Getty, Corbis or iStock. As the purchaser, you are allowed to use them, change them and resell them as part of your saleable project work. You are not allowed to resell them in their original state, or give them away to a friend or colleague to use on their projects. Your LayerCake collections can be used on as many of your computers as you deem necessary and can be used by people other than yourself on your projects, in your home or office. LayerCake collections are not transferable to any party other than the original purchaser. All LayerCake collections are copyright protected.